CVE-2026-76032 Pydio Cells 5.0.0 to 5.0.2 - Missing Authorization on the Share Link REST Handler
Authenticated users can access sensitive share link details without proper authorization checks, exposing metadata and permissions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-76032?
CVE-2026-76032 is a medium-severity missing authorization vulnerability in pydio cells, published on 18 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Pydio Cells 5.0.0 through 5.0.2 returns share-link details to any authenticated user. The REST handler for GET /a/share/link/{Uuid} in idm/share/rest/handler.go reads the workspace UUID from the path, calls LinkById, and writes the result with no authorization step, whereas the sibling handler for GET /a/share/cell/{Uuid} loads the workspace and requires MatchPolicies with ResourcePolicyAction_READ, returning a not-found error so that existence is not disclosed. Nothing compensates further down: GetLinkWorkspace reaches GetOrCreateWorkspace, which issues SearchWorkspace with a query carrying no ResourcePolicyQuery, and PrepareResourcePolicyQuery returns the query unmodified when that field is nil, so the workspace service applies no policy filter. The workspace UUID is not secret, because the unauthenticated public page served for a share link embeds it as START_REPOSITORY. Any account holding a standard user role can therefore submit the UUID and receive the link hash and URL, the owner's user identifier, the hidden share user login, the permission set, the download limit and count, the target users, the expiry, and the password-required flag, while a direct read of the shared node from the same account is refused.
Weakness: CWE-862
Which versions are affected by CVE-2026-76032?
How do I fix CVE-2026-76032?
No fix has been published for CVE-2026-76032 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-76032 being exploited?
There is no known exploitation of CVE-2026-76032 in the wild and no public exploit code.
Sources
Also known as GHSA-v2c6-62qq-rjcr.